I'm learning to light a basic scene in Unreal and I'm getting some weird light glitches from directional lights. It's better visible when I remove lights one by one. Point light doesn't cause such glitches. Actually I made a scene with just one directional light and a cube and the glitches were still appearing. So it's…
Are you sure about the shadow bias? The only shadow-related parameters I can find are Shadow Exponent and Distance Field Shadows. -Edit-Ok, I found it. Under "Light" there is a little white downward-facing arrow that hides advanced settings.
What you were seeing is called shadow acne: https://www.google.rs/search?q=shadow+acne&client=opera&hs=Ig&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjlxIXHoqHlAhUMEpoKHUBjAYMQ_AUIESgB&biw=1880&bih=976 The shadow bias parameter can be found in the properties of the light source, on the details panel. In case you or someone else…